On Thu, Feb 07, 2008 at 08:55:59AM +0000, Paul Knowles wrote:
> Hi Joerg
>
> The problem is this block of code in set_cr0
>
> #ifdef CONFIG_X86_64
> if (vcpu->arch.shadow_efer & EFER_LME) {
> if (!is_paging(vcpu) && (cr0 & X86_CR0_PG))
> enter_lmode(vcpu);
> if (is_paging(vcpu) && !(cr0 & X86_CR0_PG))
> exit_lmode(vcpu);
> }
> #endif
Hmm, the stuff that is done in enter_lmode() is also done in
vmx_set_efer() (except for the TSS fixup). I am still pretty sure it
should work without your fix (also because it will likely break SVM with
Nested Paging). Have you set EFER.LME *and* EFER.LMA when you called
set_sregs?
Joerg
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